-19.28% is the change from 555 to 448
Calculation steps:
[( 448 - 555 ) ÷ 555] x 100 = -19.28%
Formula
Percentage change = [(448 - 555) / 555] x 100
Subtract the new number by the original number
448 - 555 = -107
-107 ÷ 555 = -0.1927927927927928
-0.1927927927927928 x 100 = -19.28%